EP 4080675 A1 20221026 - BUTTON-TYPE SECONDARY BATTERY
Title (en)
BUTTON-TYPE SECONDARY BATTERY
Title (de)
SEKUNDÄRBATTERIE VOM KNOPFTYP
Title (fr)
BATTERIE SECONDAIRE DE TYPE BOUTON
Publication
Application
Priority
- KR 20200120949 A 20200918
- KR 20210020704 A 20210216
- KR 2021012727 W 20210916
Abstract (en)
A button-type secondary battery according to the present invention comprises: an electrode assembly comprising a first electrode provided with a first electrode tab and a second electrode provided with a second electrode tab; a can which accommodates the electrode assembly and to which the first electrode tab is connected; a top cap which is coupled to an opening of the can and to which the second electrode tab is connected; and a first insulation part provided with a first-a insulation member configured to insulate the first electrode tab connected to the first electrode, wherein the first electrode tab comprises a first-a coupling surface coupled to the first electrode of the electrode assembly and a first-b coupling surface extending from the first-a coupling surface between a bottom surface of the electrode assembly and a bottom surface of the can and coupled to the can, and the first-a insulation member comprises a first-a insulator attached to an outer circumferential surface of the electrode assembly to cover the first-a coupling surface, wherein both ends of the first-a insulation member are attached to extend up to upper and lower ends of the outer circumferential surface of the electrode assembly and a first-b insulator horizontally extending from an upper end of the first-a insulator toward a top surface of the electrode assembly.
IPC 8 full level
H01M 50/586 (2021.01); H01M 10/04 (2006.01); H01M 50/153 (2021.01); H01M 50/169 (2021.01); H01M 50/181 (2021.01); H01M 50/188 (2021.01); H01M 50/463 (2021.01); H01M 50/531 (2021.01); H01M 50/572 (2021.01)
CPC (source: EP KR)
H01M 10/0427 (2013.01 - KR); H01M 10/0431 (2013.01 - KR); H01M 50/109 (2021.01 - EP); H01M 50/147 (2021.01 - KR); H01M 50/153 (2021.01 - EP KR); H01M 50/166 (2021.01 - KR); H01M 50/169 (2021.01 - EP KR); H01M 50/181 (2021.01 - KR); H01M 50/188 (2021.01 - KR); H01M 50/463 (2021.01 - KR); H01M 50/531 (2021.01 - KR); H01M 50/559 (2021.01 - EP); H01M 50/572 (2021.01 - KR); H01M 50/586 (2021.01 - KR); H01M 50/593 (2021.01 - EP); Y02P 70/50 (2015.11 - KR)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
EP 4080675 A1 20221026; EP 4080675 A4 20240612; CN 114902487 A 20220812; KR 20220037993 A 20220325
DOCDB simple family (application)
EP 21869758 A 20210916; CN 202180008061 A 20210916; KR 20210123771 A 20210916